Justworks

Senior Software Engineer, Solutions Engineering

Justworks
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3 days ago

Base Salary

$188k - $242k/yr

Responsibilities

  • Lead technical discovery and solutioning for priority partner integrations, including API research, data mapping, authentication, architecture, implementation support, and launch readiness.
  • Build and maintain developer portals, documentation tooling, SDKs, sample applications, quickstarts, integration templates, and developer-support automation.
  • Create reusable integration patterns for OAuth, webhooks, retries, idempotency, asynchronous workflows, error handling, and observability.
  • Run technical working sessions with partners and translate requirements into clear decisions, recommendations, and action plans.
  • Collaborate with Public API Engineering and Product to validate API designs and provide evidence-backed feedback.
  • Own partner integrations or a multi-surface developer journey from design through delivery, operational readiness, and iteration.
  • Use support questions, integration telemetry, and qualitative feedback to improve developer self-service.
  • Review designs and code, mentor teammates, and improve engineering quality across internal systems and partner-facing artifacts.
  • Collaborate with Security, Support, Engineering, Product, Partnerships, and Sales to ensure integrations are safe, observable, and supportable.

Requirements

  • 5+ years of professional software engineering experience building and operating production systems.
  • Strong experience consuming, integrating with, or building HTTP APIs, including OAuth 2.0/OIDC, authentication, tokens, scopes, webhooks, pagination, rate limits, and error handling.
  • Backend and/or full-stack web-development experience with one or more modern languages such as TypeScript, Go, Ruby, or Python.
  • Experience designing reliable integration behavior involving retries, idempotency, asynchronous workflows, data contracts, monitoring, and incident and debugging practices.
  • Strong technical writing and ability to explain architecture and tradeoffs to engineers, product partners, and external developers.
  • Evidence of delivering customer-facing or developer-facing experiences with strong usability and documentation.
  • Strong collaboration skills across Engineering, Product, Partnerships and Sales, Support, and Security.
  • Preferred experience maintaining an SDK, developer portal, API documentation, CLI, sample application, open source libraries, or integration marketplace.
  • Preferred experience with regulated, high-trust, or data-sensitive domains; OpenAPI; API-client generation; event-driven systems; workflow engines; or enterprise technical stakeholders.

Benefits

  • Welcoming and casual work environment with great benefits, wellness program offerings, company retreats, and opportunities to learn from startup leaders.
  • Hybrid work arrangement, with the listed position based in the New York City office.

Categories

Solutions Engineering
Justworks

About Justworks

1,001-5,000 employees

Justworks provides a PEO and SaaS platform for small and midsize businesses to run payroll, offer benefits, and manage HR and compliance. Products include access to health insurance and 401(k), payroll and contractor payments, onboarding tools, and reporting, sold via subscriptions and PEO service fees. Founded in 2012 and headquartered in New York City, the company is privately held and serves employers across the United States.

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